car_selector.py

import pygame
import pygame.gfxdraw
from game import car_racing
import interface
import main

def car_selector():
    """ Interface where player chooses car
    
    This function presents a car selection interface for the game.
    The user can choose one of the six available cars to play with.
    Once the car is selected, the player is taken to the game loop.

    Parameters
    ----------
    None

    Returns
    -------
    None

    """
    
    # initiating pygames
    pygame.init()
    
    # creating the screen 720x720 pixels
    res = (720, 720)
    screen = pygame.display.set_mode(res)
    
    # setting the window title
    pygame.display.set_caption("Turbo Racing 3000")
    
    # creatinbg some colors (RGB scale)
    white = (255, 255, 255)
    yellow = (255, 210, 48)
    red = (255, 0, 0)
    color_light = (170, 170, 170)

    
    # saving the screen sizes
    width = screen.get_width()
    height = screen.get_height()
    
    # creating title text label
    comicsansfont = pygame.font.SysFont('Comic Sans MS', 50)
    title_text = comicsansfont.render('Turbo Racing 3000', True, yellow)
    
    # creating buttons text labels
    font = pygame.font.Font('fonts/MASQUE__.ttf', 28)
    play_text = font.render('Play', True, white)
    back_text = font.render('Back', True, white)
    
    # Allowing the user to close the window...
    carryOn = True
    clock=pygame.time.Clock()

    # store the selected car
    main.selected_car = 1
    main.selected_car2 = None  # specify for repaint to work well in multiplayer

    # Create the infinite scrolling background for the menu
    MAP = pygame.image.load("assets/infinite_level.png").convert_alpha()
    MAP = pygame.transform.scale_by(MAP, 0.9)
    mapY0 = -200
    mapY1 = -1280
    
    # interface loop
    while carryOn:
        # getting the input of the user
        mouse = pygame.mouse.get_pos()
        for ev in pygame.event.get():
            # press on exit button
            if ev.type == pygame.QUIT:
                pygame.quit()
            # press the back button
            if ev.type == pygame.MOUSEBUTTONDOWN:
                if 150 <= mouse[0] <= 300 and 560 <= mouse[1] <= 620:
                    interface.interface()
            # pressing the play button
            if ev.type == pygame.MOUSEBUTTONDOWN:
                if 400 <= mouse[0] <= 550 and 560 <= mouse[1] <= 620:
                    car_racing()
            # pressing the next car button
            if ev.type == pygame.MOUSEBUTTONDOWN:
                if 465 <= mouse[0] <= 530 and 250 <= mouse[1] <= 330:
                    if main.selected_car + 1 <= 6:
                        main.selected_car += 1
                    else:
                        main.selected_car = 1
            # pressing the previous car button
            if ev.type == pygame.MOUSEBUTTONDOWN:
                if 190 <= mouse[0] <= 250 and 250 <= mouse[1] <= 330:
                    if main.selected_car - 1 >= 1:
                        main.selected_car -= 1
                    else:
                        main.selected_car = 6

        # Infinite scrolling map as background
        screen.blit(MAP, [0, mapY0, 720, 1080])
        screen.blit(MAP, [0, mapY1, 720, 1080])
        if mapY0 > -300:
            mapY1 = mapY0 - 1080
        if mapY1 > -300:
            mapY0 = mapY1 - 1080
        # move the map 
        mapY0 += 1
        mapY1 += 1
        
        # Transparent black mid layer
        transparent_black = pygame.image.load('assets/empty.png')
        transparent_black = pygame.transform.scale(transparent_black, (720, 720))
        screen.blit(transparent_black, (0,0))
    
        
        # Draw the buttons text and the box(color changing)
        
        # play text
        mouse = pygame.mouse.get_pos()
        # when the mouse is on the box it changes color
        if 400 <= mouse[0] <= 550 and 560 <= mouse[1] <= 620:
            interface.drawRhomboid(screen, yellow, white, 400, 560, 150, 60, 30, 5)
        else:
            interface.drawRhomboid(screen, yellow, yellow, 400, 560, 150, 60, 30, 5)
        screen.blit(play_text, (400 + 12.5 + (150 - play_text.get_width())/2, 560 + 12.5)) # +12.5 in the width and height because of the rhomboid offset and border
        
        # quit text
        if 150 <= mouse[0] <= 300 and 560 <= mouse[1] <= 620:
            interface.drawRhomboid(screen, red, white, 150, 560, 150, 60, 30, 5)
        else:
            interface.drawRhomboid(screen, red, red, 150, 560, 150, 60, 30, 5)
        screen.blit(back_text, (150 + 12.5 + (150 - back_text.get_width())/2, 560 + 12.5)) 
        
        # draw the car
        car_image = pygame.image.load(f'assets/car{main.selected_car}.png')
        car_image = pygame.transform.scale(car_image, (car_image.get_width()*3, car_image.get_height()*3))  # scale up the image
        screen.blit(car_image, (360 - car_image.get_width()/2, 150))
        
        # draw the change selected car buttons
        pygame.draw.polygon(screen, color_light, ((465,250),(465,330),(530,290)))
        pygame.draw.polygon(screen, color_light, ((250,250),(250,330),(190,290)))
        
        # PYGAME BUILT IN FUCTION that updates the screen at every oteration of the loop
        pygame.display.update()